Dimethicone 350: A Mid-Viscosity Silicone with Superior Spreadability
Dimethicone 350 is a non-volatile, medium-viscosity silicone that enhances the texture and feel of cosmetic, skincare, and haircare formulations. It forms a protective, breathable barrier on the skin and hair, offering excellent spreadability, moisture retention, and a non-greasy, silky finish. Whether you’re formulating lightweight lotions or luxurious hair serums, Dimethicone 350 delivers shine, smoothness, and enhanced performance without the heavy feeling of thicker oils.
Technical Specs
| Property | Details |
|---|---|
| Common Name | Dimethicone |
| INCI Name | Dimethylpolysiloxane |
| CAS No | 63148-62-9 |
| Appearance | Clear, viscous liquid |
| Solubility | Not soluble in water; soluble in silicones and some esters like isopropyl myristate (IPM) and isopropyl palmitate (IPP). |
| Usage Rate | 0.5% – 5.0%, up to 80% |
| Applications | Body lotions, hair care products, makeup primers, lip balms, conditioners, sunscreens, and color cosmetics. |
Key Features
- Enhanced Spreadability: Dimethicone provides a rich, silky application, reducing tackiness in lotions and improving the overall sensory experience.
- Moisture Barrier: It forms an occlusive barrier, locking in moisture and protecting skin and hair from environmental elements.
- Haircare Benefits: Improves wet and dry combing, increases shine, reduces static, and works as a humidity resistor or anti-frizz agent.
- Non-Greasy Finish: Despite its viscosity, Dimethicone offers a velvety, matte finish, making it suitable for skincare and cosmetic products without leaving a greasy residue.
- Versatile in Formulations: Suitable for body lotions, hair serums, makeup primers, conditioners, and sunscreens. It enhances product performance by increasing water resistance and providing lasting smoothness.
Formulation Tips
- In Skincare: Add Dimethicone to the oil phase for improved spreadability and moisture retention. It pairs well with conditioning agents like BTMS-50.
- In Haircare: Ideal for shampoos, conditioners, and serums, providing softness, shine, and reduced frizz without weighing down fine hair.
- In Cosmetics: Dimethicone is widely used in primers and foundations for a matte, smooth finish with enhanced slip and glide.
Storage & Safety
- Storage: Store in a cool, dark place, away from moisture and direct sunlight.
- Shelf Life: Indefinite when stored correctly.
- Safety Guidelines: For external use only. Avoid internal consumption. Pregnant individuals or those under medical care should consult a healthcare provider before use.
